O, my offence is rank, it smells to heaven; / It hath the primal eldest curse upon’t,— / A brother’s murder!
Act III, Scene 3 · Claudius
Context
Alone after Polonius leaves, Claudius attempts to pray and confesses aloud that he murdered his brother—the first time in the play he admits his guilt directly.
Analysis
The sensory verb 'smells' makes Claudius's guilt into something physically repulsive, forcing both him and the audience to experience sin as rotting matter rather than abstract wrongdoing. By invoking Cain's murder of Abel ('the primal eldest curse'), Shakespeare frames Claudius not just as a criminal but as repeating humanity's original fratricide, making his crime feel archetypal and inescapable.
Essay Tip
Support a thesis that Shakespeare uses physical decay imagery to show how guilt corrupts from the inside out—Claudius describes his sin in bodily terms (smell, rot) because moral corruption has already begun to poison him physically, not just spiritually.